I always felt that POP had the best bus service because it only had one stop and it did not share service with another resort. But I think that might change when this "new" resort is opened in 2012. See link:
http://thedailydisney.com/blog/2010...hotel-dubbed-disneys-art-of-animation-resort/
http://thedailydisney.com/blog/2010...hotel-dubbed-disneys-art-of-animation-resort/